71958440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{58031}}^1$

素因数の和:58073

約数の個数: 32

約数和(自身を含む): 167132160

約数和(自身を除く): 95173720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 58031, 116062, 232124, 290155, 464248, 580310, 1160620, 1798961, 2321240, 3597922, 7195844, 8994805, 14391688, 17989610, 35979220, 71958440]

約数ペア:

[(1, 71958440), (2, 35979220), (4, 17989610), (5, 14391688), (8, 8994805), (10, 7195844), (20, 3597922), (31, 2321240), (40, 1798961), (62, 1160620), (124, 580310), (155, 464248), (248, 290155), (310, 232124), (620, 116062), (1240, 58031)]